NOAA S-57 chart cell

Alaska

US4AK6BP

Usage band
Approach · code 4
Current edition
1.2
Features
36
S-57 layers
13
Published
Mar 8, 2023
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
60.00000° N
South
59.70000° N
West
165.00000° W
East
164.40000° W
Center
59.85000° N, 164.70000° W
Bounds area
326 sq nm
Feature density
0.1105 / sq nm

Chart Statistics

13 largest layers shown

Average features per layer
2.8
Smallest layer
1
Largest layer
8
Area sq km
1,118
Features per sq km
0.03221
  1. DEPCNT Depth contour 8
  2. DEPARE Depth area 6
  3. M_QUAL Data quality 5
  4. SOUNDG Sounding 5
  5. CTNARE Caution area 3
  6. SEAARE Sea area 2
  7. ADMARE 1
  8. CONZNE 1
  9. EXEZNE 1
  10. M_COVR Coverage 1
  11. M_NPUB 1
  12. M_NSYS 1
  13. MAGVAR Magnetic variation 1

Nearby Chart Cells

Approach usage band

  1. Etolin Strait US4AK6CR - about 18 nm away
  2. Alaska US4AK6AP - about 18 nm away
  3. Etolin Strait US4AK6BQ - about 18 nm away
  4. Alaska US4AK6BO - about 18 nm away
  5. Etolin Strait US4AK6CQ - about 25 nm away
  6. Alaska US4AK6CO - about 25 nm away

Current Edition Files

The NOAA ZIP archive is the upstream source for this chart cell; the other files are Open Ships generated derivatives for web and GIS use.

Editions

Edition Published Metadata
1.2 Mar 8, 2023 metadata.json